<!DOCTYPE html><style type="text/css">
  .d-none,
  .oops::-webkit-asDF {
    display: none !important;
  }
</style><div class="d-none">should not be displayed</div>
<script src="../include.js"></script>
<script>
    test(() => {
        let rules = document.styleSheets[0].cssRules;
        let rule = rules.item(0);
        println(rule.selectorText);
    });
</script>
